Find all solutions to the equation x^2 - 7x = 38. If you find more than one, then list the values separated by commas.
x^2 - 7x = 38
x^2 - 7x - 38 = 0
Using the Q formula
x1 = ( 7 - sqrt [ 7^2 - 4 (-38) ] ) / 2 = ( 7 - sqrt [ 201 ] ) / 2 ≈ -3.59
And
x2 = ( 7 + sqrt [201] ) / 2 ≈ 10.59
